学步园

POSITION：

中文实体书的65页

英文PDF电子书的104页

文件datafile内容如下:

Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300<br /> Betty Boop:245-836-8357:635 Cutesy Lane, Hollywood, CA 91464:6/23/23:14500<br /> Igor Chevsky:385-375-8395:3567 Populus Place, Caldwell, NJ 23875:6/18/68:23400<br /> Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700<br /> Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900<br /> Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100<br /> Karen Evich:284-758-2857:23 Edgecliff Place, Lincoln, NB 92743:7/25/53:85100<br /> Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200<br /> Karen Evich:284-758-2867:23 Edgecliff Place, Lincoln, NB 92743:11/3/35:58200<br /> Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900<br /> Fred Fardbarkle:674-843-1385:20 Parak Lane, DeLuth, MN 23850:4/12/23:780900<br /> Lori Gortz:327-832-5728:3465 Mirlo Street, Peabody, MA 34756:10/2/65:35200<br /> Paco Gutierrez:835-365-1284:454 Easy Street, Decatur, IL 75732:2/28/53:123500<br /> Ephram Hardy:293-259-5395:235 CarltonLane, Joliet, IL 73858:8/12/20:56700<br /> James Ikeda:834-938-8376:23445 Aster Ave., Allentown, NJ 83745:12/1/38:45000<br /> Barbara Kertz:385-573-8326:832 Ponce Drive, Gary, IN 83756:12/1/46:268500<br /> Lesley Kirstin:408-456-1234:4 Harvard Square, Boston, MA 02133:4/22/62:52600<br /> William Kopf:846-836-2837:6937 Ware Road, Milton, PA 93756:9/21/46:43500<br /> Sir Lancelot:837-835-8257:474 Camelot Boulevard, Bath, WY 28356:5/13/69:24500<br /> Jesse Neal:408-233-8971:45 Rose Terrace, San Francisco, CA 92303:2/3/36:25000<br /> Zippy Pinhead:834-823-8319:2356 Bizarro Ave., Farmount, IL 84357:1/1/67:89500<br /> Arthur Putie:923-835-8745:23 Wimp Lane, Kensington, DL 38758:8/31/69:126000<br /> Popeye Sailor:156-454-3322:945 Bluto Street, Anywhere, USA 29358:3/19/35:22350<br /> Jose Santiago:385-898-8357:38 Fife Way, Abilene, TX 39673:1/5/58:95600<br /> Tommy Savage:408-724-0140:1222 Oxbow Court, Sunnyvale, CA 94087:5/19/66:34200<br /> Yukio Takeshida:387-827-1095:13 Uno Lane, Ashville, NC 23556:7/1/29:57000<br /> Vinh Tranh:438-910-7449:8235 Maple Street, Wilmington, VM 29085:9/23/63:68900

 #Practice:<br /> 1: Change Jon's name to Jonathan.<br /> 2: Delete the first three lines.<br /> 3: Print lines 5 through 10.<br /> 4: Delete lines containing Lane.<br /> 5: Print all lines where the birthdays are in November or December.<br /> 6: Append three stars to the end of lines starting with Fred.<br /> 7: Replace the line containing Jose with JOSE HAS RETIRED.<br /> 8: Change Popeye's birthday to 11/14/46.<br /> 9: Delete all blank lines.<br /> 10: Write a sed script that will:<br /> a. Insert above the first line the title PERSONNEL FILE.<br /> b. Remove the salaries ending in 500.<br /> c. Print the contents of the file with the last names and first names reversed.<br /> d. Append at the end of the file THE END.<br /> #ANSWER:<br /> #1. sed 's/Jon/Jonathan/' datafile<br /> #2. sed '1,3d' datafile<br /> #3. sed -n '5,10p' datafile<br /> #4. sed '/Lane/d' datafile<br /> #5. sed -n -e '/:11///p' -e '/:12///p' datafile<br /> #6. sed -n '/^Fred/s/$/***/p' datafile<br /> #7. sed -n 's/Jose/JOSE HAS RETIRED/p' datafile<br /> #8. sed -n '/^Popeye/s/:[0-9]*//[0-9][0-9]/:11//14//46/p' datafile<br /> #9. sed '/^ *$/d' datafile<br /> #10.<br /> [chlaws@mylinux sed]$ cat sedding<br /> #This is sed script<br /> 1i/<br /> PERSONNEL FILE<br /> /500$/d<br /> s//([A-Z][a-z]*[a-z]/) /([A-Z][a-z]*[a-z]/)://2 /1:/<br /> $a/<br /> THE END#note:in here must use command: a/<br />